Once America's longest-manned military fort, now an abandoned hulk.

Where the embers of the Big Bang were first detected.

This mouldering abandoned mental hospital was once a center for progressive healing.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

Scene of the grisly murder of two Norwegian women in 1873.

New England's tallest light house stands on an island with a history of cannibalism and death.

The house and graveyard used in the Stephen King spine-chiller.

The grave of Mary Nasson is shrouded by witchy legends.

The eccentric mansion of one the most popular horror authors of modern times.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

A long abandoned hospital building on the outskirts of NYC.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

Would you like a sleeper hold with that?

This Great Depression-era creation was once known as the strangest house in the world.

This abandoned psychiatric hospital once housed more than 4,000 patients in the middle of a quaint New England town.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

This forgotten graveyard in rural New York State once served a pioneering hospital.

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

Location of the most powerful laser in the world, and the potential birthplace of tiny stars.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

Cows on a ranch are commonplace, scattered cow bones everywhere? Not so much.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

An impactful museum ensures notorious war crimes disguised as "medical experimentation" won't soon be forgotten.